<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./table.css">
</head>
<body>
    <table class="one">
        <thead>
            <tr>
                <th>表头</th>
                <th>表头</th>
                <th>表头</th>
                <th>表头</th>
            </tr>
        </thead>
      <tbody>
            <tr>
                <th>单元格</th>
                <th>单元格</th>
                <th>单元格</th>
                <th>单元格</th>
            </tr>
            <tr>
                <th>单元格</th>
                <th>单元格</th>
                <th>单元格</th>
                <th>单元格</th>
            </tr>
            <tr>
                <th>单元格</th>
                <th>单元格</th>
                <th>单元格</th>
                <th>单元格</th>
            </tr></tbody>
            <tfoot>
                <tr>
                    <td colspan="4">附加信息</td>
                </tr>
            </tfoot>
    </table>
</body>
</html>